Global Patent Index - EP 0265637 A3

EP 0265637 A3 19890830 - PULSE SHAPER

Title (en)

PULSE SHAPER

Publication

EP 0265637 A3 19890830 (DE)

Application

EP 87113056 A 19870907

Priority

  • DE 3632798 A 19860926
  • DE 3714527 A 19870430
  • DE 3722461 A 19870707
  • DE 3722463 A 19870707

Abstract (en)

[origin: EP0265637A2] The pulse shaper is used to form multi-level digital signals with stepped level transitions. This is achieved through charge redistribution between a plurality of connected recharging capacitors (C1 to C6 or C1' to C6') which form partial charges and a summation capacitor (CI1 or CI2) which adds together the partial charges. <IMAGE>

IPC 1-7

H04L 25/49; H03K 4/02; H04B 3/23; H03M 1/74; G06F 1/02

IPC 8 full level

G06G 7/22 (2006.01); G06F 1/02 (2006.01); G06G 7/26 (2006.01); H03B 28/00 (2006.01); H03K 4/02 (2006.01); H03M 1/74 (2006.01); H04B 3/23 (2006.01); H04L 25/03 (2006.01); H04L 25/49 (2006.01)

CPC (source: EP)

G06F 1/022 (2013.01); H03F 3/45192 (2013.01); H03K 4/02 (2013.01); H04B 3/23 (2013.01); H04L 25/49 (2013.01)

Citation (search report)

  • [YD] IEEE JOURNAL OF SOLID-STATE CIRCUITS, Band SC-19, Nr. 6, Dezember 1984, Seiten 861-869, IEEE, New York, US; C.A. LABER et al.: "A monolithic 1200 Baud FSK CMOS modem"
  • [YD] IEEE TRANSACTIONS ON COMMUNICATION TECHNOLOGY, Band COM-16, Nr. 1, Februar 1968, Seiten 81-93, IEEE, New York, US; H.B. VOELCKER: "Generation of digital signaling waveforms"
  • [A] PROCEEDINGS 1982 INTERNATIONAL SYMPOSIUM ON SUBSCRIBER LOOPS AND SERVICES, Toronto, 20.-24. September 1982, Seiten 201-205, IEEE, New York, US; O. AGAZZI et al.: "Large scale integration of hybrid-method digital subscriber loops"
  • [XP] PROCEEDINGS OF THE IEEE 1987 CUSTOM INTEGRATED CIRCUITS CONFERENCE, Portland, Oregon, 4.-7. Mai 1987, Seiten 457-460, IEEE, New York, US; B. ROESSLER et al.: "CMOS analog front end of a transceiver with digital echo cancellation for ISDN"

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0265637 A2 19880504; EP 0265637 A3 19890830; EP 0265637 B1 19930331; AU 7897187 A 19880331; CA 1276690 C 19901120; DE 3785137 D1 19930506; DK 499587 A 19880327; DK 499587 D0 19870923; FI 874225 A0 19870925; FI 874225 A 19880327; JP H01125682 A 19890518; JP H0795329 B2 19951011; NO 874060 D0 19870928; NO 874060 L 19880328

DOCDB simple family (application)

EP 87113056 A 19870907; AU 7897187 A 19870925; CA 547734 A 19870924; DE 3785137 T 19870907; DK 499587 A 19870923; FI 874225 A 19870925; JP 23910887 A 19870925; NO 874060 A 19870928